Nautilus samoaensis

{{Short description|Species of cephalopod}}

{{Speciesbox

| taxon = Nautilus samoaensis

| authority = Barord et al., 2023

}}

Nautilus samoaensis is a species of nautilus native to the waters of American Samoa. It was described as a separate species in 2023.{{Cite journal |last1=Barord |first1=Gregory J. |last2=Combosch |first2=David J. |last3=Giribet |first3=Gonzalo |last4=Landman |first4=Neil |last5=Lemer |first5=Sarah |last6=Veloso |first6=Job |last7=Ward |first7=Peter D. |date=2023-01-25 |title=Three new species of Nautilus Linnaeus, 1758 (Mollusca, Cephalopoda) from the Coral Sea and South Pacific |url=https://zookeys.pensoft.net/article/84427/ |journal=ZooKeys |language=en |issue=1143 |pages=51–69 |doi=10.3897/zookeys.1143.84427 |pmid=37250686 |pmc=10209263 |issn=1313-2970 |doi-access=free |bibcode=2023ZooK.1143...51B }}{{Cite web |last=Publishers |first=Pensoft |title=Three new nautilus species described from the Coral Sea and South Pacific |url=https://phys.org/news/2023-02-nautilus-species-coral-sea-south.html |access-date=2023-02-07 |website=phys.org |language=en}}

The Nautilus samoaensis was named based on observations of shell and genetic structure.